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481422217 = 868155457
BaseRepresentation
bin11100101100011…
…110101110001001
31020112212210010111
4130230132232021
51441221002332
6115434314321
714634010213
oct3454365611
91215783114
10481422217
11227828701
121152889a1
137897c123
1447d1b5b3
152c3e8947
hex1cb1eb89

481422217 has 4 divisors (see below), whose sum is σ = 481486356. Its totient is φ = 481358080.

The previous prime is 481422199. The next prime is 481422233. The reversal of 481422217 is 712224184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 146385801 + 335036416 = 12099^2 + 18304^2 .

It is a cyclic number.

It is not a de Polignac number, because 481422217 - 215 = 481389449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481422017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19048 + ... + 36409.

It is an arithmetic number, because the mean of its divisors is an integer number (120371589).

Almost surely, 2481422217 is an apocalyptic number.

It is an amenable number.

481422217 is a deficient number, since it is larger than the sum of its proper divisors (64139).

481422217 is an equidigital number, since it uses as much as digits as its factorization.

481422217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64138.

The product of its digits is 7168, while the sum is 31.

The square root of 481422217 is about 21941.3358071016. The cubic root of 481422217 is about 783.7460700828.

The spelling of 481422217 in words is "four hundred eighty-one million, four hundred twenty-two thousand, two hundred seventeen".

Divisors: 1 8681 55457 481422217